Alert archive / Alabama / Tornado Warnings in 2018

Tornado Warning 17, NWS Mobile, AL

September 5, 2018Baldwin County, Alabama

NWS Mobile, AL issued this tornado warning at Sep 5, 2018, 12:53 AM CDT for Baldwin County, Alabama. It was in force for 25 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Sep 5, 2018, 12:53 AM CDT (05:53 UTC)
Expired
Sep 5, 2018, 1:18 AM CDT
In force
25 min
Issued by
NWS Mobile, AL
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.0 in

County Baldwin County, AL

The radar

The Mobile radar (KMOB), 63 km from the middle of the area, began a volume at 05:53 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Sep 4, 6:51 PM CDTTornado WatchSPC9 hr

The nearest sounding before it

Slidell Radar S, LA (KSIL), launched 00:00Z, 5.9 hours before the alert went out and 206 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Slidell Radar S, LA at 00:00Z on 2018-09-05Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 32 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Slidell Radar S, LA at 00:00Z on 2018-09-05The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -73 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
32 J/kg
Mixed-layer CIN
-118 J/kg
Mixed-layer LCL
1016 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-73 m²/s²
0-3 km storm-relative helicity
-21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

070 
WFUS54 KMOB 050553
TORMOB
ALC003-050630-
/O.NEW.KMOB.TO.W.0017.180905T0553Z-180905T0630Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Mobile AL
1253 AM CDT WED SEP 5 2018

The National Weather Service in Mobile has issued a

* Tornado Warning for...
  Central Baldwin County in southwestern Alabama...

* Until 130 AM CDT.
    
* At 1252 AM CDT, a severe thunderstorm capable of producing a
  tornado was located 8 miles east of Robertsdale, moving north at 25
  mph.

  HAZARD...Tornado.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* This tornadic thunderstorm will remain over mainly rural areas of
  central Baldwin County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3054 8751 3051 8759 3072 8776 3079 8758
TIME...MOT...LOC 0552Z 159DEG 20KT 3056 8757 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
2 follow-up statements
105 
WWUS54 KMOB 050606
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
106 AM CDT WED SEP 5 2018

ALC003-050630-
/O.CON.KMOB.TO.W.0017.000000T0000Z-180905T0630Z/
Baldwin AL-
106 AM CDT WED SEP 5 2018

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR CENTRAL
BALDWIN COUNTY...
    
At 106 AM CDT, a severe thunderstorm capable of producing a tornado
was located 9 miles northeast of Loxley, moving north at 30 mph.

HAZARD...Tornado.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
central Baldwin County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 3064 8754 3062 8761 3073 8773 3079 8758
TIME...MOT...LOC 0606Z 161DEG 25KT 3068 8761 

TORNADO...RADAR INDICATED
HAIL...0.00IN

$$
902 
WWUS54 KMOB 050618
SVSMOB

Severe Weather Statement
National Weather Service Mobile AL
118 AM CDT WED SEP 5 2018

ALC003-050627-
/O.CAN.KMOB.TO.W.0017.000000T0000Z-180905T0630Z/
Baldwin AL-
118 AM CDT WED SEP 5 2018

...THE TORNADO WARNING FOR CENTRAL BALDWIN COUNTY IS CANCELLED...
        
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled.

A Tornado Watch remains in effect until 400 AM CDT for southwestern
Alabama.

LAT...LON 3064 8754 3062 8761 3073 8773 3079 8758
TIME...MOT...LOC 0616Z 159DEG 20KT 3074 8764 

$$

The office that day

Everything else NWS Mobile, AL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 4, 8:24 PM CDTFlash Flood WarningMOBBaldwin12 hr
Sep 4, 8:24 PM CDTRiver Flood WarningMOBBaldwin40 hr
Sep 4, 8:31 PM CDTRiver Flood WarningMOBBaldwin4 days
Sep 4, 8:32 PM CDTRiver Flood WarningMOBBaldwin70 hr
Sep 4, 9:00 PM CDTFlash Flood WarningMOBMobile6 hr
Sep 4, 10:45 PM CDTFlash Flood WarningMOBBaldwin, Escambia12 hr
Sep 5, 2:06 AM CDTFlash Flood WarningMOBClarke, Monroe, Washington6 hr
Sep 5, 3:19 AM CDTSpecial Marine WarningMOB26 min
Sep 5, 3:32 AM CDTSpecial Marine WarningMOB28 min
Sep 5, 4:30 AM CDTFlash Flood WarningMOBChoctaw, Clarke6 hr
Sep 5, 4:57 AM CDTSmall Craft AdvisoryMOB5 hr
Sep 5, 5:15 AM CDTCoastal Flood AdvisoryMOBBaldwin, Mobile9 hr
Sep 5, 5:15 AM CDTHigh Surf AdvisoryMOBBaldwin, Mobile9 hr
Sep 5, 7:54 AM CDTFlash Flood WarningMOBBaldwin, Clarke, Conecuh, Escambia, Mobile, Monroe and 1 more6 hr
Sep 5, 8:06 AM CDTFlash Flood WarningMOBBaldwin, Clarke, Monroe, Washington6 hr
Sep 5, 9:06 AM CDTFlash Flood WarningMOBClarke, Conecuh, Monroe, Wilcox6 hr
Sep 5, 9:35 AM CDTSpecial Marine WarningMOB115 min
Sep 5, 10:25 AM CDTFlash Flood WarningMOBChoctaw, Clarke5 hr
Sep 5, 12:53 PM CDTAreal Flood AdvisoryMOBMobile52 min
Sep 5, 1:50 PM CDTAreal Flood WarningMOBBaldwin, Escambia6 hr

Nearby

Tornado Warnings in Alabama, 2018Every tornado warning in 2018Tornadoes in 2018

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.